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_label28.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:50:17,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:50:17,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:50:17,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:50:17,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:50:17,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:50:17,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:50:17,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:50:17,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:50:17,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:50:17,613 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:50:17,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:50:17,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:50:17,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:50:17,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:50:17,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:50:17,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:50:17,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:50:17,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:50:17,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:50:17,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:50:17,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:50:17,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:50:17,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:50:17,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:50:17,637 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:50:17,637 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:50:17,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:50:17,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:50:17,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:50:17,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:50:17,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:50:17,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:50:17,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:50:17,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:50:17,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:50:17,646 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:50:17,646 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:50:17,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:50:17,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:50:17,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:50:17,653 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 23:50:17,672 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:50:17,672 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:50:17,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:50:17,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:50:17,675 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:50:17,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:50:17,675 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:50:17,675 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:50:17,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:50:17,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:50:17,677 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:50:17,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:50:17,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:50:17,678 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:50:17,678 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:50:17,678 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:50:17,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:50:17,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:50:17,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:50:17,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:50:17,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:50:17,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:50:17,680 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:50:17,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:50:17,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:50:17,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:50:17,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:50:17,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:50:17,681 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 23:50:17,944 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:50:17,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:50:17,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:50:17,962 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:50:17,962 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:50:17,963 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label28.c [2019-10-13 23:50:18,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0210852f/0e8ea5524bbe4bc2bb215be5fe2d6ea9/FLAG33fe66f14 [2019-10-13 23:50:18,749 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:50:18,750 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label28.c [2019-10-13 23:50:18,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0210852f/0e8ea5524bbe4bc2bb215be5fe2d6ea9/FLAG33fe66f14 [2019-10-13 23:50:18,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0210852f/0e8ea5524bbe4bc2bb215be5fe2d6ea9 [2019-10-13 23:50:18,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:50:18,898 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:50:18,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:50:18,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:50:18,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:50:18,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:50:18" (1/1) ... [2019-10-13 23:50:18,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf8b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:18, skipping insertion in model container [2019-10-13 23:50:18,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:50:18" (1/1) ... [2019-10-13 23:50:18,923 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:50:19,003 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:50:19,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:50:19,891 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:50:20,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:50:20,269 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:50:20,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:20 WrapperNode [2019-10-13 23:50:20,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:50:20,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:50:20,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:50:20,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:50:20,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:20" (1/1) ... [2019-10-13 23:50:20,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:20" (1/1) ... [2019-10-13 23:50:20,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:20" (1/1) ... [2019-10-13 23:50:20,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:20" (1/1) ... [2019-10-13 23:50:20,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:20" (1/1) ... [2019-10-13 23:50:20,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:20" (1/1) ... [2019-10-13 23:50:20,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:20" (1/1) ... [2019-10-13 23:50:20,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:50:20,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:50:20,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:50:20,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:50:20,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:50:20" (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 23:50:20,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:50:20,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:50:20,539 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 23:50:20,539 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-13 23:50:20,539 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:50:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 23:50:20,540 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-13 23:50:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:50:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:50:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 23:50:20,541 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:50:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:50:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:50:23,107 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:50:23,108 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 23:50:23,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:50:23 BoogieIcfgContainer [2019-10-13 23:50:23,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:50:23,111 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-13 23:50:23,111 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-13 23:50:23,111 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-13 23:50:23,112 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:50:23" (1/1) ... [2019-10-13 23:50:23,195 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 23:50:28,322 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.