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.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-0fd1304 [2018-10-23 23:21:47,268 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 23:21:47,270 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 23:21:47,283 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 23:21:47,283 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 23:21:47,284 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 23:21:47,286 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 23:21:47,287 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 23:21:47,289 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 23:21:47,290 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 23:21:47,291 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 23:21:47,291 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 23:21:47,292 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 23:21:47,293 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 23:21:47,294 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 23:21:47,295 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 23:21:47,296 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 23:21:47,298 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 23:21:47,300 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 23:21:47,301 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 23:21:47,302 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 23:21:47,303 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 23:21:47,306 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 23:21:47,306 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 23:21:47,307 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 23:21:47,307 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 23:21:47,308 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 23:21:47,309 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 23:21:47,310 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 23:21:47,311 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 23:21:47,311 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 23:21:47,312 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-23 23:21:47,312 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-23 23:21:47,313 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-23 23:21:47,314 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-23 23:21:47,314 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-23 23:21:47,315 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-10-23 23:21:47,330 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 23:21:47,330 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 23:21:47,331 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 23:21:47,331 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-23 23:21:47,332 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-23 23:21:47,332 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-23 23:21:47,332 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-23 23:21:47,332 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-23 23:21:47,332 INFO L133 SettingsManager]: * Log string format=TERM [2018-10-23 23:21:47,333 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-23 23:21:47,333 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-23 23:21:47,333 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-23 23:21:47,334 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 23:21:47,334 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-23 23:21:47,334 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 23:21:47,334 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 23:21:47,334 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 23:21:47,335 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 23:21:47,335 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 23:21:47,335 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 23:21:47,335 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 23:21:47,335 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 23:21:47,336 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 23:21:47,336 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 23:21:47,336 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 23:21:47,336 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 23:21:47,336 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 23:21:47,336 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 23:21:47,337 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-23 23:21:47,337 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 23:21:47,337 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-23 23:21:47,338 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 23:21:47,338 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-10-23 23:21:47,338 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-10-23 23:21:47,382 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 23:21:47,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 23:21:47,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 23:21:47,400 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 23:21:47,401 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 23:21:47,402 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c [2018-10-23 23:21:47,461 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/bc38d72b6/60a879aea99d458981e69b556803eb36/FLAG54d8e8ee9 [2018-10-23 23:21:48,027 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 23:21:48,028 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label23_true-unreach-call_false-termination.c [2018-10-23 23:21:48,045 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/bc38d72b6/60a879aea99d458981e69b556803eb36/FLAG54d8e8ee9 [2018-10-23 23:21:48,061 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/bc38d72b6/60a879aea99d458981e69b556803eb36 [2018-10-23 23:21:48,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 23:21:48,074 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-10-23 23:21:48,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 23:21:48,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 23:21:48,081 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 23:21:48,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:21:48" (1/1) ... [2018-10-23 23:21:48,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d7ae5c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:21:48, skipping insertion in model container [2018-10-23 23:21:48,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:21:48" (1/1) ... [2018-10-23 23:21:48,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 23:21:48,152 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 23:21:48,618 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 23:21:48,627 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 23:21:48,738 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 23:21:48,774 INFO L193 MainTranslator]: Completed translation [2018-10-23 23:21:48,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:21:48 WrapperNode [2018-10-23 23:21:48,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 23:21:48,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-23 23:21:48,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-23 23:21:48,777 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-23 23:21:48,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:21:48" (1/1) ... [2018-10-23 23:21:48,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:21:48" (1/1) ... [2018-10-23 23:21:49,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-23 23:21:49,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 23:21:49,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 23:21:49,026 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 23:21:49,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:21:48" (1/1) ... [2018-10-23 23:21:49,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:21:48" (1/1) ... [2018-10-23 23:21:49,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:21:48" (1/1) ... [2018-10-23 23:21:49,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:21:48" (1/1) ... [2018-10-23 23:21:49,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:21:48" (1/1) ... [2018-10-23 23:21:49,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:21:48" (1/1) ... [2018-10-23 23:21:49,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:21:48" (1/1) ... [2018-10-23 23:21:49,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 23:21:49,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-23 23:21:49,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-23 23:21:49,102 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-23 23:21:49,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:21:48" (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 [2018-10-23 23:21:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-23 23:21:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-23 23:21:49,181 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-10-23 23:21:49,181 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-10-23 23:21:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-23 23:21:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-23 23:21:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-23 23:21:49,183 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-23 23:21:52,156 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-23 23:21:52,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:21:52 BoogieIcfgContainer [2018-10-23 23:21:52,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-23 23:21:52,158 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-23 23:21:52,158 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-23 23:21:52,162 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-23 23:21:52,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:21:48" (1/3) ... [2018-10-23 23:21:52,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b063e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:21:52, skipping insertion in model container [2018-10-23 23:21:52,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:21:48" (2/3) ... [2018-10-23 23:21:52,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b063e7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:21:52, skipping insertion in model container [2018-10-23 23:21:52,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:21:52" (3/3) ... [2018-10-23 23:21:52,166 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label23_true-unreach-call_false-termination.c [2018-10-23 23:21:52,176 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-23 23:21:52,193 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-23 23:21:52,212 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-23 23:21:52,250 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-23 23:21:52,251 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-23 23:21:52,251 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-23 23:21:52,251 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-23 23:21:52,251 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-23 23:21:52,252 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-23 23:21:52,252 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-23 23:21:52,252 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-23 23:21:52,280 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-10-23 23:21:52,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-23 23:21:52,298 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:21:52,300 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] [2018-10-23 23:21:52,303 INFO L424 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:21:52,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:21:52,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1739350872, now seen corresponding path program 1 times [2018-10-23 23:21:52,312 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:21:52,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:21:52,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:21:52,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:21:52,364 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:21:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:21:52,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:21:52,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 23:21:52,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-23 23:21:52,978 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:21:52,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-23 23:21:53,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-23 23:21:53,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 23:21:53,003 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-10-23 23:21:54,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:21:54,989 INFO L93 Difference]: Finished difference Result 621 states and 1060 transitions. [2018-10-23 23:21:54,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-23 23:21:54,992 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2018-10-23 23:21:54,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:21:55,013 INFO L225 Difference]: With dead ends: 621 [2018-10-23 23:21:55,013 INFO L226 Difference]: Without dead ends: 382 [2018-10-23 23:21:55,020 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-23 23:21:55,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-10-23 23:21:55,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 381. [2018-10-23 23:21:55,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-10-23 23:21:55,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 637 transitions. [2018-10-23 23:21:55,109 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 637 transitions. Word has length 140 [2018-10-23 23:21:55,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:21:55,111 INFO L481 AbstractCegarLoop]: Abstraction has 381 states and 637 transitions. [2018-10-23 23:21:55,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-23 23:21:55,111 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 637 transitions. [2018-10-23 23:21:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-23 23:21:55,126 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:21:55,132 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 23:21:55,133 INFO L424 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:21:55,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:21:55,133 INFO L82 PathProgramCache]: Analyzing trace with hash -994164683, now seen corresponding path program 1 times [2018-10-23 23:21:55,133 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:21:55,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:21:55,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:21:55,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:21:55,139 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:21:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:21:55,553 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:21:55,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 23:21:55,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-23 23:21:55,554 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:21:55,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-23 23:21:55,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-23 23:21:55,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-23 23:21:55,557 INFO L87 Difference]: Start difference. First operand 381 states and 637 transitions. Second operand 5 states. [2018-10-23 23:21:57,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:21:57,086 INFO L93 Difference]: Finished difference Result 901 states and 1555 transitions. [2018-10-23 23:21:57,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-23 23:21:57,086 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2018-10-23 23:21:57,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:21:57,091 INFO L225 Difference]: With dead ends: 901 [2018-10-23 23:21:57,091 INFO L226 Difference]: Without dead ends: 380 [2018-10-23 23:21:57,097 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-23 23:21:57,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-10-23 23:21:57,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-10-23 23:21:57,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-10-23 23:21:57,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 632 transitions. [2018-10-23 23:21:57,125 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 632 transitions. Word has length 149 [2018-10-23 23:21:57,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:21:57,125 INFO L481 AbstractCegarLoop]: Abstraction has 380 states and 632 transitions. [2018-10-23 23:21:57,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-23 23:21:57,126 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 632 transitions. [2018-10-23 23:21:57,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-10-23 23:21:57,131 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:21:57,133 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 23:21:57,133 INFO L424 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:21:57,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:21:57,134 INFO L82 PathProgramCache]: Analyzing trace with hash -408118830, now seen corresponding path program 1 times [2018-10-23 23:21:57,134 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:21:57,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:21:57,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:21:57,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:21:57,136 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:21:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:21:57,356 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:21:57,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-23 23:21:57,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-23 23:21:57,357 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:21:57,357 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-23 23:21:57,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-23 23:21:57,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-23 23:21:57,358 INFO L87 Difference]: Start difference. First operand 380 states and 632 transitions. Second operand 6 states. [2018-10-23 23:21:59,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-23 23:21:59,983 INFO L93 Difference]: Finished difference Result 1184 states and 2066 transitions. [2018-10-23 23:21:59,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-23 23:21:59,984 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-10-23 23:21:59,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-23 23:21:59,992 INFO L225 Difference]: With dead ends: 1184 [2018-10-23 23:21:59,992 INFO L226 Difference]: Without dead ends: 810 [2018-10-23 23:21:59,995 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-10-23 23:22:00,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2018-10-23 23:22:00,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 800. [2018-10-23 23:22:00,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 800 states. [2018-10-23 23:22:00,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1274 transitions. [2018-10-23 23:22:00,064 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1274 transitions. Word has length 174 [2018-10-23 23:22:00,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-23 23:22:00,065 INFO L481 AbstractCegarLoop]: Abstraction has 800 states and 1274 transitions. [2018-10-23 23:22:00,065 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-23 23:22:00,065 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1274 transitions. [2018-10-23 23:22:00,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-10-23 23:22:00,069 INFO L367 BasicCegarLoop]: Found error trace [2018-10-23 23:22:00,070 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-23 23:22:00,070 INFO L424 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-23 23:22:00,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:22:00,070 INFO L82 PathProgramCache]: Analyzing trace with hash 464706266, now seen corresponding path program 1 times [2018-10-23 23:22:00,070 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-23 23:22:00,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:22:00,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-23 23:22:00,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-23 23:22:00,072 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-23 23:22:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-23 23:22:00,436 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-23 23:22:00,436 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-23 23:22:00,437 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-23 23:22:00,437 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 176 with the following transitions: [2018-10-23 23:22:00,440 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [739], [747], [755], [763], [771], [779], [787], [791], [793], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-10-23 23:22:00,522 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-23 23:22:00,522 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-23 23:22:31,613 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-23 23:22:31,615 INFO L272 AbstractInterpreter]: Visited 143 different actions 280 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-10-23 23:22:31,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-23 23:22:31,646 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-23 23:22:38,719 INFO L232 lantSequenceWeakener]: Weakened 51 states. On average, predicates are now at 83.66% of their original sizes. [2018-10-23 23:22:38,719 INFO L411 sIntCurrentIteration]: Unifying AI predicates [2018-10-23 23:23:50,140 INFO L422 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-23 23:23:50,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-23 23:23:50,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [7] total 25 [2018-10-23 23:23:50,142 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-23 23:23:50,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-10-23 23:23:50,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-10-23 23:23:50,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2018-10-23 23:23:50,143 INFO L87 Difference]: Start difference. First operand 800 states and 1274 transitions. Second operand 20 states. Received shutdown request... [2018-10-23 23:26:07,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-10-23 23:26:07,148 WARN L550 AbstractCegarLoop]: Verification canceled [2018-10-23 23:26:07,153 WARN L205 ceAbstractionStarter]: Timeout [2018-10-23 23:26:07,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:26:07 BoogieIcfgContainer [2018-10-23 23:26:07,154 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-23 23:26:07,155 INFO L168 Benchmark]: Toolchain (without parser) took 259081.93 ms. Allocated memory was 1.5 GB in the beginning and 3.9 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 3.4 GB in the end (delta: -2.0 GB). Peak memory consumption was 335.9 MB. Max. memory is 7.1 GB. [2018-10-23 23:26:07,157 INFO L168 Benchmark]: CDTParser took 0.21 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. [2018-10-23 23:26:07,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-23 23:26:07,158 INFO L168 Benchmark]: Boogie Procedure Inliner took 249.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 722.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -795.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-23 23:26:07,159 INFO L168 Benchmark]: Boogie Preprocessor took 74.92 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-23 23:26:07,160 INFO L168 Benchmark]: RCFGBuilder took 3055.91 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 124.2 MB). Peak memory consumption was 124.2 MB. Max. memory is 7.1 GB. [2018-10-23 23:26:07,161 INFO L168 Benchmark]: TraceAbstraction took 254995.67 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.6 GB). Free memory was 2.1 GB in the beginning and 3.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 252.6 MB. Max. memory is 7.1 GB. [2018-10-23 23:26:07,166 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 700.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 249.26 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 722.5 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -795.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 74.92 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 3055.91 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 124.2 MB). Peak memory consumption was 124.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 254995.67 ms. Allocated memory was 2.3 GB in the beginning and 3.9 GB in the end (delta: 1.6 GB). Free memory was 2.1 GB in the beginning and 3.4 GB in the end (delta: -1.4 GB). Peak memory consumption was 252.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 571]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 571). Cancelled while BasicCegarLoop was constructing difference of abstraction (800states) and FLOYD_HOARE automaton (currently 22 states, 20 states before enhancement),while ReachableStatesComputation was computing reachable states (561 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. TIMEOUT Result, 254.9s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 143.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 435 SDtfs, 2187 SDslu, 275 SDs, 0 SdLazy, 2746 SolverSat, 621 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 66.0s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 203 GetRequests, 153 SyntacticMatches, 14 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 75.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=800occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 31.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.995597684799137 AbsIntWeakeningRatio, 0.15517241379310345 AbsIntAvgWeakeningVarsNumRemoved, 353.9655172413793 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 638 NumberOfCodeBlocks, 638 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 634 ConstructedInterpolants, 0 QuantifiedInterpolants, 559252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 37/69 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown