java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf -i ../../../trunk/examples/svcomp/loops/ludcmp_false-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-27 09:00:36,071 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 09:00:36,076 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 09:00:36,094 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 09:00:36,095 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 09:00:36,096 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 09:00:36,097 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 09:00:36,100 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 09:00:36,104 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 09:00:36,104 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 09:00:36,106 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 09:00:36,106 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 09:00:36,107 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 09:00:36,109 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 09:00:36,110 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 09:00:36,117 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 09:00:36,118 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 09:00:36,124 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 09:00:36,127 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 09:00:36,130 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 09:00:36,130 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 09:00:36,133 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 09:00:36,137 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 09:00:36,137 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 09:00:36,138 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 09:00:36,138 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 09:00:36,141 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 09:00:36,142 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 09:00:36,143 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 09:00:36,146 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 09:00:36,146 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 09:00:36,147 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 09:00:36,147 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 09:00:36,147 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 09:00:36,149 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 09:00:36,150 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 09:00:36,150 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-EXP.epf [2018-10-27 09:00:36,170 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 09:00:36,170 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 09:00:36,171 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 09:00:36,171 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 09:00:36,171 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 09:00:36,171 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 09:00:36,171 INFO L133 SettingsManager]: * Explicit value domain=true [2018-10-27 09:00:36,172 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 09:00:36,172 INFO L133 SettingsManager]: * Octagon Domain=false [2018-10-27 09:00:36,172 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 09:00:36,173 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-27 09:00:36,173 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 09:00:36,173 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 09:00:36,173 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 09:00:36,174 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 09:00:36,174 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 09:00:36,174 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 09:00:36,174 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 09:00:36,175 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 09:00:36,175 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 09:00:36,175 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 09:00:36,175 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 09:00:36,175 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 09:00:36,176 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 09:00:36,177 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 09:00:36,177 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 09:00:36,177 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 09:00:36,178 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 09:00:36,178 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 09:00:36,178 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 09:00:36,178 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 09:00:36,178 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 09:00:36,179 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 09:00:36,179 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 09:00:36,179 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-27 09:00:36,179 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-27 09:00:36,226 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 09:00:36,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 09:00:36,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 09:00:36,249 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 09:00:36,249 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 09:00:36,250 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/ludcmp_false-unreach-call.i [2018-10-27 09:00:36,311 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/650089333/c24217304c784b22a4032720c1c69208/FLAGe2949f417 [2018-10-27 09:00:36,735 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 09:00:36,735 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/ludcmp_false-unreach-call.i [2018-10-27 09:00:36,743 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/650089333/c24217304c784b22a4032720c1c69208/FLAGe2949f417 [2018-10-27 09:00:36,757 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/650089333/c24217304c784b22a4032720c1c69208 [2018-10-27 09:00:36,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 09:00:36,770 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-27 09:00:36,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 09:00:36,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 09:00:36,776 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 09:00:36,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:00:36" (1/1) ... [2018-10-27 09:00:36,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b5a5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:00:36, skipping insertion in model container [2018-10-27 09:00:36,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:00:36" (1/1) ... [2018-10-27 09:00:36,791 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 09:00:36,821 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 09:00:37,054 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 09:00:37,203 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 09:00:37,277 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 09:00:38,894 INFO L193 MainTranslator]: Completed translation [2018-10-27 09:00:38,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:00:38 WrapperNode [2018-10-27 09:00:38,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 09:00:38,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 09:00:38,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 09:00:38,896 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 09:00:38,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:00:38" (1/1) ... [2018-10-27 09:00:39,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:00:38" (1/1) ... [2018-10-27 09:00:55,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 09:00:55,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 09:00:55,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 09:00:55,926 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 09:00:55,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:00:38" (1/1) ... [2018-10-27 09:00:55,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:00:38" (1/1) ... [2018-10-27 09:00:57,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:00:38" (1/1) ... [2018-10-27 09:00:57,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:00:38" (1/1) ... [2018-10-27 09:01:02,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:00:38" (1/1) ... [2018-10-27 09:01:02,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:00:38" (1/1) ... [2018-10-27 09:01:03,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:00:38" (1/1) ... [2018-10-27 09:01:05,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 09:01:05,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 09:01:05,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 09:01:05,404 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 09:01:05,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:00:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-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 [2018-10-27 09:01:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2018-10-27 09:01:05,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2018-10-27 09:01:05,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 09:01:05,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 09:01:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2018-10-27 09:01:05,482 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2018-10-27 09:01:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 09:01:05,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 09:01:05,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 09:01:05,483 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 09:01:05,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-27 09:01:05,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown