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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 20:28:12,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 20:28:12,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 20:28:12,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 20:28:12,504 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 20:28:12,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 20:28:12,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 20:28:12,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 20:28:12,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 20:28:12,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 20:28:12,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 20:28:12,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 20:28:12,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 20:28:12,514 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 20:28:12,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 20:28:12,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 20:28:12,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 20:28:12,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 20:28:12,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 20:28:12,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 20:28:12,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 20:28:12,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 20:28:12,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 20:28:12,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 20:28:12,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 20:28:12,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 20:28:12,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 20:28:12,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 20:28:12,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 20:28:12,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 20:28:12,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 20:28:12,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 20:28:12,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 20:28:12,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 20:28:12,535 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 20:28:12,535 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 20:28:12,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 20:28:12,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 20:28:12,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 20:28:12,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 20:28:12,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 20:28:12,540 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 20:28:12,566 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 20:28:12,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 20:28:12,567 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 20:28:12,568 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 20:28:12,568 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 20:28:12,568 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 20:28:12,569 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 20:28:12,569 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 20:28:12,569 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 20:28:12,569 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 20:28:12,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 20:28:12,572 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 20:28:12,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 20:28:12,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 20:28:12,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 20:28:12,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 20:28:12,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 20:28:12,573 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 20:28:12,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 20:28:12,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 20:28:12,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 20:28:12,574 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 20:28:12,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 20:28:12,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 20:28:12,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 20:28:12,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 20:28:12,575 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 20:28:12,575 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 20:28:12,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 20:28:12,576 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 20:28:12,629 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 20:28:12,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 20:28:12,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 20:28:12,646 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 20:28:12,646 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 20:28:12,647 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label17.c [2019-09-10 20:28:12,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8cbefd3e/df2aa4d7e6164c6ab914a83ec57b1c0a/FLAGc19db5145 [2019-09-10 20:28:13,221 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 20:28:13,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label17.c [2019-09-10 20:28:13,247 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8cbefd3e/df2aa4d7e6164c6ab914a83ec57b1c0a/FLAGc19db5145 [2019-09-10 20:28:13,522 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8cbefd3e/df2aa4d7e6164c6ab914a83ec57b1c0a [2019-09-10 20:28:13,531 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 20:28:13,532 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 20:28:13,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 20:28:13,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 20:28:13,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 20:28:13,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 08:28:13" (1/1) ... [2019-09-10 20:28:13,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f9c9f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:28:13, skipping insertion in model container [2019-09-10 20:28:13,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 08:28:13" (1/1) ... [2019-09-10 20:28:13,548 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 20:28:13,616 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 20:28:14,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 20:28:14,310 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 20:28:14,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 20:28:14,431 INFO L192 MainTranslator]: Completed translation [2019-09-10 20:28:14,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:28:14 WrapperNode [2019-09-10 20:28:14,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 20:28:14,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 20:28:14,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 20:28:14,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 20:28:14,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:28:14" (1/1) ... [2019-09-10 20:28:14,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:28:14" (1/1) ... [2019-09-10 20:28:14,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:28:14" (1/1) ... [2019-09-10 20:28:14,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:28:14" (1/1) ... [2019-09-10 20:28:14,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:28:14" (1/1) ... [2019-09-10 20:28:14,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:28:14" (1/1) ... [2019-09-10 20:28:14,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:28:14" (1/1) ... [2019-09-10 20:28:14,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 20:28:14,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 20:28:14,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 20:28:14,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 20:28:14,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 08:28:14" (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 [2019-09-10 20:28:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 20:28:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 20:28:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-09-10 20:28:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 20:28:14,604 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-09-10 20:28:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 20:28:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 20:28:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-10 20:28:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 20:28:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 20:28:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 20:28:15,734 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 20:28:15,734 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 20:28:15,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 08:28:15 BoogieIcfgContainer [2019-09-10 20:28:15,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 20:28:15,736 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-10 20:28:15,736 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-10 20:28:15,737 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-10 20:28:15,738 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 08:28:15" (1/1) ... [2019-09-10 20:28:15,783 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)