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/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem09_label24_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:59:06,136 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:59:06,138 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:59:06,153 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:59:06,154 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:59:06,155 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:59:06,156 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:59:06,158 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:59:06,160 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:59:06,161 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:59:06,162 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:59:06,162 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:59:06,163 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:59:06,164 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:59:06,165 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:59:06,166 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:59:06,167 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:59:06,169 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:59:06,171 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:59:06,173 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:59:06,174 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:59:06,177 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:59:06,185 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:59:06,185 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:59:06,185 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:59:06,187 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:59:06,188 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:59:06,188 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:59:06,189 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:59:06,190 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:59:06,190 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:59:06,191 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:59:06,191 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:59:06,191 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:59:06,192 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:59:06,195 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:59:06,195 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2018-10-26 20:59:06,222 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:59:06,223 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:59:06,223 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:59:06,224 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 20:59:06,225 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 20:59:06,225 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 20:59:06,226 INFO L133 SettingsManager]: * Use SBE=true [2018-10-26 20:59:06,226 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:59:06,226 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:59:06,226 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:59:06,227 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:59:06,228 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:59:06,228 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:59:06,228 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:59:06,228 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:59:06,229 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:59:06,229 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:59:06,229 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:59:06,229 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:59:06,229 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:59:06,231 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:59:06,231 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:59:06,231 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:59:06,231 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-26 20:59:06,232 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:59:06,232 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:59:06,232 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 20:59:06,232 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-26 20:59:06,299 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:59:06,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:59:06,318 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:59:06,322 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:59:06,323 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:59:06,323 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem09_label24_true-unreach-call.c [2018-10-26 20:59:06,390 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3731f888a/18bdeb205c914aba99a36a9d79058ee9/FLAG562b49e30 [2018-10-26 20:59:09,244 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:59:09,245 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem09_label24_true-unreach-call.c [2018-10-26 20:59:09,483 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3731f888a/18bdeb205c914aba99a36a9d79058ee9/FLAG562b49e30 [2018-10-26 20:59:09,496 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/3731f888a/18bdeb205c914aba99a36a9d79058ee9 [2018-10-26 20:59:09,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:59:09,510 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-26 20:59:09,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:59:09,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:59:09,515 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:59:09,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:59:09" (1/1) ... [2018-10-26 20:59:09,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ae13cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:59:09, skipping insertion in model container [2018-10-26 20:59:09,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:59:09" (1/1) ... [2018-10-26 20:59:09,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:59:11,425 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:59:36,509 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:59:36,514 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:59:58,630 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:00:01,115 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:00:01,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:01 WrapperNode [2018-10-26 21:00:01,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:00:01,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:00:01,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:00:01,117 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:00:01,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:01" (1/1) ... [2018-10-26 21:00:01,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:01" (1/1) ... [2018-10-26 21:00:06,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:00:06,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:00:06,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:00:06,440 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:00:06,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:01" (1/1) ... [2018-10-26 21:00:06,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:01" (1/1) ... [2018-10-26 21:00:06,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:01" (1/1) ... [2018-10-26 21:00:06,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:01" (1/1) ... [2018-10-26 21:00:10,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:01" (1/1) ... [2018-10-26 21:00:11,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:01" (1/1) ... [2018-10-26 21:00:11,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:01" (1/1) ... [2018-10-26 21:00:12,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:00:12,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:00:12,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:00:12,350 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:00:12,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:01" (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 [2018-10-26 21:00:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 21:00:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:00:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:01:58,222 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:01:58,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:01:58 BoogieIcfgContainer [2018-10-26 21:01:58,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:01:58,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:01:58,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:01:58,228 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:01:58,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:59:09" (1/3) ... [2018-10-26 21:01:58,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abfc01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:01:58, skipping insertion in model container [2018-10-26 21:01:58,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:00:01" (2/3) ... [2018-10-26 21:01:58,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abfc01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:01:58, skipping insertion in model container [2018-10-26 21:01:58,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:01:58" (3/3) ... [2018-10-26 21:01:58,232 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem09_label24_true-unreach-call.c [2018-10-26 21:01:58,240 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:01:58,254 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:01:58,272 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:01:58,375 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 21:01:58,376 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:01:58,376 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:01:58,376 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:01:58,376 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:01:58,376 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:01:58,376 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:01:58,377 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:01:58,377 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:01:58,614 INFO L276 IsEmpty]: Start isEmpty. Operand 20357 states. [2018-10-26 21:02:01,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16527 [2018-10-26 21:02:01,447 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:02:01,461 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:02:01,474 INFO L424 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:02:01,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:02:01,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1049143964, now seen corresponding path program 1 times [2018-10-26 21:02:01,494 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-26 21:02:01,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-26 21:02:01,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:02:01,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:02:01,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:02:06,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-26 21:02:53,079 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Timeout exceeded at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:215) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:919) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:200) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:183) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-26 21:02:53,085 INFO L168 Benchmark]: Toolchain (without parser) took 223575.91 ms. Allocated memory was 1.9 GB in the beginning and 5.9 GB in the end (delta: 4.0 GB). Free memory was 1.6 GB in the beginning and 2.4 GB in the end (delta: -856.0 MB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2018-10-26 21:02:53,088 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-26 21:02:53,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 51605.26 ms. Allocated memory was 1.9 GB in the beginning and 4.8 GB in the end (delta: 3.0 GB). Free memory was 1.6 GB in the beginning and 2.5 GB in the end (delta: -893.5 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2018-10-26 21:02:53,090 INFO L168 Benchmark]: Boogie Procedure Inliner took 5322.90 ms. Allocated memory was 4.8 GB in the beginning and 4.0 GB in the end (delta: -811.6 MB). Free memory was 2.5 GB in the beginning and 1.5 GB in the end (delta: 930.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-26 21:02:53,092 INFO L168 Benchmark]: Boogie Preprocessor took 5909.88 ms. Allocated memory was 4.0 GB in the beginning and 4.4 GB in the end (delta: 405.8 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 81.3 MB). Peak memory consumption was 846.1 MB. Max. memory is 7.1 GB. [2018-10-26 21:02:53,094 INFO L168 Benchmark]: RCFGBuilder took 105873.85 ms. Allocated memory was 4.4 GB in the beginning and 6.0 GB in the end (delta: 1.5 GB). Free memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-10-26 21:02:53,095 INFO L168 Benchmark]: TraceAbstraction took 54857.89 ms. Allocated memory was 6.0 GB in the beginning and 5.9 GB in the end (delta: -58.2 MB). Free memory was 3.4 GB in the beginning and 2.4 GB in the end (delta: 1.0 GB). Peak memory consumption was 944.2 MB. Max. memory is 7.1 GB. [2018-10-26 21:02:53,104 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 51605.26 ms. Allocated memory was 1.9 GB in the beginning and 4.8 GB in the end (delta: 3.0 GB). Free memory was 1.6 GB in the beginning and 2.5 GB in the end (delta: -893.5 MB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 5322.90 ms. Allocated memory was 4.8 GB in the beginning and 4.0 GB in the end (delta: -811.6 MB). Free memory was 2.5 GB in the beginning and 1.5 GB in the end (delta: 930.6 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. * Boogie Preprocessor took 5909.88 ms. Allocated memory was 4.0 GB in the beginning and 4.4 GB in the end (delta: 405.8 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 81.3 MB). Peak memory consumption was 846.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 105873.85 ms. Allocated memory was 4.4 GB in the beginning and 6.0 GB in the end (delta: 1.5 GB). Free memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * TraceAbstraction took 54857.89 ms. Allocated memory was 6.0 GB in the beginning and 5.9 GB in the end (delta: -58.2 MB). Free memory was 3.4 GB in the beginning and 2.4 GB in the end (delta: 1.0 GB). Peak memory consumption was 944.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Timeout exceeded de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Timeout exceeded: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:215) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown