/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/Problem11_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 05:21:05,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 05:21:05,171 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 05:21:05,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 05:21:05,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 05:21:05,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 05:21:05,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 05:21:05,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 05:21:05,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 05:21:05,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 05:21:05,198 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 05:21:05,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 05:21:05,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 05:21:05,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 05:21:05,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 05:21:05,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 05:21:05,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 05:21:05,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 05:21:05,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 05:21:05,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 05:21:05,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 05:21:05,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 05:21:05,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 05:21:05,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 05:21:05,214 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 05:21:05,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 05:21:05,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 05:21:05,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 05:21:05,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 05:21:05,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 05:21:05,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 05:21:05,221 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 05:21:05,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 05:21:05,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 05:21:05,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 05:21:05,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 05:21:05,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 05:21:05,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 05:21:05,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 05:21:05,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 05:21:05,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 05:21:05,234 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 05:21:05,258 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 05:21:05,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 05:21:05,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 05:21:05,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 05:21:05,261 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 05:21:05,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 05:21:05,262 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 05:21:05,262 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 05:21:05,262 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 05:21:05,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 05:21:05,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 05:21:05,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 05:21:05,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 05:21:05,264 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 05:21:05,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 05:21:05,265 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 05:21:05,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 05:21:05,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 05:21:05,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 05:21:05,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 05:21:05,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 05:21:05,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 05:21:05,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 05:21:05,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 05:21:05,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 05:21:05,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 05:21:05,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 05:21:05,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 05:21:05,268 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 05:21:05,552 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 05:21:05,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 05:21:05,580 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 05:21:05,581 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 05:21:05,582 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 05:21:05,582 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label27.c [2019-11-07 05:21:05,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c4ef16b/c4433e79cc704106bd03348c8df51be5/FLAG9f8731ba9 [2019-11-07 05:21:06,223 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 05:21:06,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label27.c [2019-11-07 05:21:06,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c4ef16b/c4433e79cc704106bd03348c8df51be5/FLAG9f8731ba9 [2019-11-07 05:21:06,469 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c4ef16b/c4433e79cc704106bd03348c8df51be5 [2019-11-07 05:21:06,476 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 05:21:06,478 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 05:21:06,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 05:21:06,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 05:21:06,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 05:21:06,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:21:06" (1/1) ... [2019-11-07 05:21:06,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c825d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:06, skipping insertion in model container [2019-11-07 05:21:06,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:21:06" (1/1) ... [2019-11-07 05:21:06,490 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 05:21:06,555 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 05:21:07,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:21:07,409 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 05:21:07,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:21:07,564 INFO L192 MainTranslator]: Completed translation [2019-11-07 05:21:07,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:07 WrapperNode [2019-11-07 05:21:07,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 05:21:07,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 05:21:07,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 05:21:07,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 05:21:07,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:07" (1/1) ... [2019-11-07 05:21:07,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:07" (1/1) ... [2019-11-07 05:21:07,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:07" (1/1) ... [2019-11-07 05:21:07,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:07" (1/1) ... [2019-11-07 05:21:07,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:07" (1/1) ... [2019-11-07 05:21:07,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:07" (1/1) ... [2019-11-07 05:21:07,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:07" (1/1) ... [2019-11-07 05:21:07,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 05:21:07,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 05:21:07,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 05:21:07,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 05:21:07,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:21:07" (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 05:21:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 05:21:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 05:21:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 05:21:07,813 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 05:21:07,813 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 05:21:07,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 05:21:07,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 05:21:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 05:21:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 05:21:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 05:21:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 05:21:09,819 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 05:21:09,819 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 05:21:09,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:21:09 BoogieIcfgContainer [2019-11-07 05:21:09,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 05:21:09,822 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 05:21:09,822 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 05:21:09,824 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 05:21:09,824 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:21:09" (1/1) ... [2019-11-07 05:21:09,901 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)