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/Problem16_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:50:07,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:50:08,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:50:08,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:50:08,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:50:08,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:50:08,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:50:08,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:50:08,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:50:08,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:50:08,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:50:08,043 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:50:08,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:50:08,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:50:08,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:50:08,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:50:08,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:50:08,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:50:08,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:50:08,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:50:08,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:50:08,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:50:08,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:50:08,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:50:08,068 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:50:08,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:50:08,069 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:50:08,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:50:08,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:50:08,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:50:08,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:50:08,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:50:08,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:50:08,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:50:08,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:50:08,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:50:08,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:50:08,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:50:08,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:50:08,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:50:08,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:50:08,081 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 [2019-10-13 23:50:08,113 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:50:08,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:50:08,120 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:50:08,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:50:08,120 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:50:08,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:50:08,121 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:50:08,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:50:08,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:50:08,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:50:08,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:50:08,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:50:08,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:50:08,125 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:50:08,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:50:08,125 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:50:08,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:50:08,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:50:08,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:50:08,126 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:50:08,126 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:50:08,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:50:08,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:50:08,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:50:08,127 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:50:08,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:50:08,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:50:08,128 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:50:08,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-13 23:50:08,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:50:08,440 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:50:08,444 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:50:08,445 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:50:08,446 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:50:08,446 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label16.c [2019-10-13 23:50:08,523 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8477c1bf5/c3aa5f4d3b2844bebd4c3a652c864c82/FLAG16ab2af80 [2019-10-13 23:50:09,225 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:50:09,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label16.c [2019-10-13 23:50:09,244 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8477c1bf5/c3aa5f4d3b2844bebd4c3a652c864c82/FLAG16ab2af80 [2019-10-13 23:50:09,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8477c1bf5/c3aa5f4d3b2844bebd4c3a652c864c82 [2019-10-13 23:50:09,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:50:09,361 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:50:09,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:50:09,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:50:09,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:50:09,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:50:09" (1/1) ... [2019-10-13 23:50:09,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211aa4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:09, skipping insertion in model container [2019-10-13 23:50:09,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:50:09" (1/1) ... [2019-10-13 23:50:09,377 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:50:09,456 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:50:10,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:50:10,407 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:50:10,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:50:10,647 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:50:10,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:10 WrapperNode [2019-10-13 23:50:10,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:50:10,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:50:10,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:50:10,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:50:10,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:10" (1/1) ... [2019-10-13 23:50:10,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:10" (1/1) ... [2019-10-13 23:50:10,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:10" (1/1) ... [2019-10-13 23:50:10,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:10" (1/1) ... [2019-10-13 23:50:10,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:10" (1/1) ... [2019-10-13 23:50:10,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:10" (1/1) ... [2019-10-13 23:50:10,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:10" (1/1) ... [2019-10-13 23:50:10,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:50:10,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:50:10,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:50:10,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:50:10,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:10" (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 [2019-10-13 23:50:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:50:10,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:50:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 23:50:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-13 23:50:10,928 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:50:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 23:50:10,928 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-13 23:50:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:50:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:50:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 23:50:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:50:10,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:50:10,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:50:13,481 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:50:13,481 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 23:50:13,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:50:13 BoogieIcfgContainer [2019-10-13 23:50:13,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:50:13,484 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-13 23:50:13,484 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-13 23:50:13,484 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-13 23:50:13,485 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:50:13" (1/1) ... [2019-10-13 23:50:13,562 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 23:50:18,122 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.