/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/Problem16_label59.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 05:34:53,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 05:34:53,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 05:34:53,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 05:34:53,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 05:34:53,177 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 05:34:53,178 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 05:34:53,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 05:34:53,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 05:34:53,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 05:34:53,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 05:34:53,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 05:34:53,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 05:34:53,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 05:34:53,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 05:34:53,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 05:34:53,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 05:34:53,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 05:34:53,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 05:34:53,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 05:34:53,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 05:34:53,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 05:34:53,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 05:34:53,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 05:34:53,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 05:34:53,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 05:34:53,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 05:34:53,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 05:34:53,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 05:34:53,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 05:34:53,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 05:34:53,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 05:34:53,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 05:34:53,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 05:34:53,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 05:34:53,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 05:34:53,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 05:34:53,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 05:34:53,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 05:34:53,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 05:34:53,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 05:34:53,220 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 05:34:53,240 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 05:34:53,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 05:34:53,242 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 05:34:53,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 05:34:53,242 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 05:34:53,243 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 05:34:53,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 05:34:53,243 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 05:34:53,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 05:34:53,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 05:34:53,244 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 05:34:53,244 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 05:34:53,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 05:34:53,245 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 05:34:53,245 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 05:34:53,245 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 05:34:53,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 05:34:53,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 05:34:53,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 05:34:53,246 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 05:34:53,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 05:34:53,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 05:34:53,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 05:34:53,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 05:34:53,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 05:34:53,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 05:34:53,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 05:34:53,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 05:34:53,247 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 05:34:53,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 05:34:53,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 05:34:53,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 05:34:53,544 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 05:34:53,545 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 05:34:53,545 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label59.c [2019-11-07 05:34:53,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a53e669/ee5a1dd3ee55483d800ab01b86dce17a/FLAG652eab3d0 [2019-11-07 05:34:54,246 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 05:34:54,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label59.c [2019-11-07 05:34:54,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a53e669/ee5a1dd3ee55483d800ab01b86dce17a/FLAG652eab3d0 [2019-11-07 05:34:54,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a53e669/ee5a1dd3ee55483d800ab01b86dce17a [2019-11-07 05:34:54,460 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 05:34:54,461 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 05:34:54,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 05:34:54,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 05:34:54,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 05:34:54,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:34:54" (1/1) ... [2019-11-07 05:34:54,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f0059c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:54, skipping insertion in model container [2019-11-07 05:34:54,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:34:54" (1/1) ... [2019-11-07 05:34:54,482 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 05:34:54,565 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 05:34:55,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:34:55,374 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 05:34:55,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:34:55,619 INFO L192 MainTranslator]: Completed translation [2019-11-07 05:34:55,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:55 WrapperNode [2019-11-07 05:34:55,621 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 05:34:55,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 05:34:55,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 05:34:55,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 05:34:55,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:55" (1/1) ... [2019-11-07 05:34:55,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:55" (1/1) ... [2019-11-07 05:34:55,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:55" (1/1) ... [2019-11-07 05:34:55,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:55" (1/1) ... [2019-11-07 05:34:55,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:55" (1/1) ... [2019-11-07 05:34:55,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:55" (1/1) ... [2019-11-07 05:34:55,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:55" (1/1) ... [2019-11-07 05:34:55,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 05:34:55,816 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 05:34:55,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 05:34:55,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 05:34:55,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:34:55" (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 05:34:55,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 05:34:55,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 05:34:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 05:34:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-11-07 05:34:55,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 05:34:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 05:34:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-11-07 05:34:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 05:34:55,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 05:34:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 05:34:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 05:34:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 05:34:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 05:34:58,393 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 05:34:58,394 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 05:34:58,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:34:58 BoogieIcfgContainer [2019-11-07 05:34:58,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 05:34:58,396 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 05:34:58,397 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 05:34:58,397 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 05:34:58,398 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:34:58" (1/1) ... [2019-11-07 05:34:58,458 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 05:35:03,149 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.