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/recursive-simple/fibo_2calls_15-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:29:11,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:29:11,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:29:11,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:29:11,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:29:11,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:29:11,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:29:11,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:29:11,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:29:11,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:29:11,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:29:11,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:29:11,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:29:11,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:29:11,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:29:11,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:29:11,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:29:11,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:29:11,596 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:29:11,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:29:11,599 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:29:11,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:29:11,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:29:11,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:29:11,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 16:29:11,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 16:29:11,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 16:29:11,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 16:29:11,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 16:29:11,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 16:29:11,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:29:11,609 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:29:11,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:29:11,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:29:11,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:29:11,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:29:11,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:29:11,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:29:11,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:29:11,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:29:11,614 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:29:11,615 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 [2019-09-11 16:29:11,635 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:29:11,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:29:11,636 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:29:11,636 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:29:11,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:29:11,637 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:29:11,638 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:29:11,638 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:29:11,638 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:29:11,638 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:29:11,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:29:11,639 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:29:11,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:29:11,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:29:11,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:29:11,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:29:11,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:29:11,640 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:29:11,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:29:11,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:29:11,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:29:11,641 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:29:11,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:29:11,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:29:11,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:29:11,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:29:11,642 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:29:11,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:29:11,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:29:11,643 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:29:11,671 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:29:11,684 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:29:11,688 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:29:11,689 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:29:11,690 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:29:11,690 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_15-1.c [2019-09-11 16:29:11,753 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ebd139ff/0899b9f3d7c84a9797dc68b484d52294/FLAG4f3239738 [2019-09-11 16:29:12,206 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:29:12,207 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive-simple/fibo_2calls_15-1.c [2019-09-11 16:29:12,216 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ebd139ff/0899b9f3d7c84a9797dc68b484d52294/FLAG4f3239738 [2019-09-11 16:29:12,629 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ebd139ff/0899b9f3d7c84a9797dc68b484d52294 [2019-09-11 16:29:12,637 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:29:12,639 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:29:12,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:29:12,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:29:12,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:29:12,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:29:12" (1/1) ... [2019-09-11 16:29:12,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3df7aa67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:29:12, skipping insertion in model container [2019-09-11 16:29:12,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:29:12" (1/1) ... [2019-09-11 16:29:12,658 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:29:12,675 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:29:12,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:29:12,860 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:29:12,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:29:12,893 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:29:12,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:29:12 WrapperNode [2019-09-11 16:29:12,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:29:12,894 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:29:12,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:29:12,895 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:29:13,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:29:12" (1/1) ... [2019-09-11 16:29:13,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:29:12" (1/1) ... [2019-09-11 16:29:13,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:29:12" (1/1) ... [2019-09-11 16:29:13,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:29:12" (1/1) ... [2019-09-11 16:29:13,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:29:12" (1/1) ... [2019-09-11 16:29:13,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:29:12" (1/1) ... [2019-09-11 16:29:13,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:29:12" (1/1) ... [2019-09-11 16:29:13,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:29:13,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:29:13,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:29:13,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:29:13,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:29:12" (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 [2019-09-11 16:29:13,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:29:13,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:29:13,080 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2019-09-11 16:29:13,080 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2019-09-11 16:29:13,081 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:29:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:29:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:29:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2019-09-11 16:29:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2019-09-11 16:29:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:29:13,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:29:13,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:29:13,274 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:29:13,275 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:29:13,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:29:13 BoogieIcfgContainer [2019-09-11 16:29:13,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:29:13,289 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:29:13,289 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:29:13,290 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:29:13,294 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:29:13" (1/1) ... [2019-09-11 16:29:13,347 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)